A properly fitted helmet should cover half your forehead or sit approximately 2 fingers above your eyebrows.
Measure the circumference of your head from your forehead, above your ears and to the back of your head.
Kabuto Helmet Sizing Chart
CIRCUMFERENCE (CM) | |
XS | 54 - 55 |
S | 55 - 56 |
M | 57 - 58 |
L | 59 - 60 |
XL | 61 - 62 |
XXL | 63 - 64 |